This meaning refers to a male child in a specific birth order within a family, often used to denote the rank among siblings.

This usage pertains to historical or cultural contexts where the term was used as an official title for a man, particularly in ancient Chinese society.

Used informally to refer to a young male, often implying vigor or youthfulness.

This meaning conveys an intimate relationship, indicating a spouse or a significant other in a romantic context.

This usage signifies a child in a specific birth order, regardless of gender, and indicates multiple children in a family.